package com.imooc.course6

/*
 * @Author Wangjin
 * @Date 2019-03-05
 * @Email wangjin4901@vip.qq.com
 */

object SetApp extends App{
  val s = Set(1,2,2,3,3,4)
  println(s)

  val s1 = scala.collection.mutable.Set[Int]()

  s1 +=1

  println(s1)
}
